Home / 47,134.44-70,713.81-13,855.59

Finding the Fourth Proportional to 47,134.44, 70,713.81 and 13,855.59

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Solution

The fourth proportional to 47,134.44, 70,713.81 and 13,855.59 is: 20,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,134.44 : 70,713.81 = 13,855.59 : x
  2. Step 2: Convert to fraction form
    47,134.44/70,713.81 = 13,855.59/x
  3. Step 3: Cross multiply
    47,134.44x = 70,713.81 × 13,855.59
  4. Step 4: Simplify right side
    47,134.44x = 979,781,558.70
  5. Step 5: Solve for x
    x = 979,781,558.70/47,134.44
  6. Step 6: Final answer
    x = 20,786.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.